47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* launch_process.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <jack@crans.org> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/12/13 14:20:45 by jhalford #+# #+# */
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/* Updated: 2016/12/15 15:21:15 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "minishell.h"
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int launch_process(t_process *p)
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{
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t_exec *exec;
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int pid;
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exec = &data_singleton()->exec;
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if (p->attributes & PROCESS_UNKNOWN)
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ft_dprintf(2, "%s: command not found: %s\n", SHELL_NAME, p->argv[0]);
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else if (p->attributes & PROCESS_BUILTIN && p->fdout != STDOUT)
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set_exitstatus((*p->execf)(p->path, p->argv, data_singleton()->env));
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else
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{
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if (p->attributes & (PROCESS_BINARY | PROCESS_SCRIPT)
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&& access(p->path, X_OK) == -1)
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{
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ft_dprintf(2, "%s: permission denied: %s\n", SHELL_NAME, p->argv[0]);
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return (-1);
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}
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pid = fork();
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if (pid == 0)
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{
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process_setgroup(p);
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process_redirect(p);
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(*p->execf)(p->path, p->argv, data_singleton()->env);
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exit(42);
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}
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else if (pid > 0)
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p->pid = pid;
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else if (pid == -1)
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perror("fork");
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}
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return (0);
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}
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